diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
index 0c563d78cef908..a6637e739b3b66 100644
--- a/drivers/soundwire/bus.c
+++ b/drivers/soundwire/bus.c
@@ -569,9 +569,9 @@ static int sdw_assign_device_num(struct sdw_slave *slave)
 	}
 
 	if (!new_device)
-		dev_info(slave->bus->dev,
-			 "Slave already registered, reusing dev_num:%d\n",
-			 slave->dev_num);
+		dev_dbg(slave->bus->dev,
+			"Slave already registered, reusing dev_num:%d\n",
+			slave->dev_num);
 
 	/* Clear the slave->dev_num to transfer message on device 0 */
 	dev_num = slave->dev_num;
diff --git a/sound/soc/codecs/rt1308-sdw.c b/sound/soc/codecs/rt1308-sdw.c
index a5a7e46de246a4..1502a22b0d4a07 100644
--- a/sound/soc/codecs/rt1308-sdw.c
+++ b/sound/soc/codecs/rt1308-sdw.c
@@ -235,9 +235,9 @@ static int rt1308_io_init(struct device *dev, struct sdw_slave *slave)
 	efuse_c_btl_r = tmp;
 	regmap_read(rt1308->regmap, 0xc872, &tmp);
 	efuse_c_btl_r = efuse_c_btl_r | (tmp << 8);
-	dev_info(&slave->dev, "%s m_btl_l=0x%x, m_btl_r=0x%x\n", __func__,
+	dev_dbg(&slave->dev, "%s m_btl_l=0x%x, m_btl_r=0x%x\n", __func__,
 		efuse_m_btl_l, efuse_m_btl_r);
-	dev_info(&slave->dev, "%s c_btl_l=0x%x, c_btl_r=0x%x\n", __func__,
+	dev_dbg(&slave->dev, "%s c_btl_l=0x%x, c_btl_r=0x%x\n", __func__,
 		efuse_c_btl_l, efuse_c_btl_r);
 
 	/* initial settings */
diff --git a/sound/soc/sof/Makefile b/sound/soc/sof/Makefile
index fd169a61024d58..8eca2f85c90e39 100644
--- a/sound/soc/sof/Makefile
+++ b/sound/soc/sof/Makefile
@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
 
-ccflags-y += -DDEBUG
-
 snd-sof-objs := core.o ops.o loader.o ipc.o pcm.o pm.o debug.o topology.o\
 		control.o trace.o utils.o sof-audio.o
 snd-sof-$(CONFIG_SND_SOC_SOF_DEBUG_PROBES) += probe.o compress.o
diff --git a/sound/soc/sof/intel/Makefile b/sound/soc/sof/intel/Makefile
index 398f2e133919fe..cee02a2e00f402 100644
--- a/sound/soc/sof/intel/Makefile
+++ b/sound/soc/sof/intel/Makefile
@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
 
-ccflags-y += -DDEBUG
-
 snd-sof-intel-byt-objs := byt.o
 snd-sof-intel-bdw-objs := bdw.o
 
diff --git a/sound/soc/sof/loader.c b/sound/soc/sof/loader.c
index fac5f6f0a54a48..8be30cd5e0382c 100644
--- a/sound/soc/sof/loader.c
+++ b/sound/soc/sof/loader.c
@@ -791,7 +791,7 @@ int snd_sof_run_firmware(struct snd_sof_dev *sdev)
 	}
 
 	if (sdev->fw_state == SOF_FW_BOOT_COMPLETE)
-		dev_info(sdev->dev, "firmware boot complete\n");
+		dev_dbg(sdev->dev, "firmware boot complete\n");
 	else
 		return -EIO; /* FW boots but fw_ready op failed */
 
diff --git a/sound/soc/sof/xtensa/Makefile b/sound/soc/sof/xtensa/Makefile
index 34b27be0f7be07..cc89c7472a3802 100644
--- a/sound/soc/sof/xtensa/Makefile
+++ b/sound/soc/sof/xtensa/Makefile
@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
 
-ccflags-y += -DDEBUG
-
 snd-sof-xtensa-dsp-objs := core.o
 
 obj-$(CONFIG_SND_SOC_SOF_XTENSA) += snd-sof-xtensa-dsp.o